There are more than 1,500 startups and hundreds of accelerators and co-working spaces in Tel Aviv, according to CBRE. It's the top city for startups outside of the U.S., according to a 2015 report.

Between 2011 and 2016, 6,000 tech companies launched in the Russian capital. Startups here benefit from government support for R&D research (tax benefits, education programs).

Sweden has been touted as a “unicorn factory,” with Stockholm hosting more billion-dollar companies per capita than any other city in the world (e.g., Spotify, Klarna). The capital city counts some 22,000 tech companies.

India’s “garden city” has around 4,900 active startups, with nearly $2.3 billion in investments, according to Compass. Dev Khare, managing director of Lightspeed India Partners Advisors, says half of startup activity in India happens in Bangalore.

By 2020, the island will have a total of 188,000 millionaires. In 2015, Singapore was the No. 10 global hub for entrepreneurship, according to research firm Compass. It makes a particularly strong showing in e-commerce, logistics, and real estate.

Union Square Venture’s Fred Wilson named Boston a “second-tier" startup capital city. In 2016, Boston began testing self-driving cars, and several new VC firms launched in the area, including Liberty Mutual Strategic Ventures and Underscore.VC.

USV's Wilson says L.A. is also on his “second tier.” Silicon Beach startups raised $3 billion in funding in 2016, according to CB Insights. That includes Snap, the social messaging platform readying for an IPO.

Technology workers have their pick in Germany's capital. Clue, a Berlin-based period tracking app, recently raised $20 million, for example. The city is also home to popular startups including Delivery Hero and SoundCloud.

The world's largest tech incubator, Station F, is set to open here in April. The French capital is second only to London for tech startups, according to CBRE, and is home to unicorns like BlaBlaCar, a ride-sharing service.

In spite of its vote to Brexit, Britain's capital city remains a top destination for tech entrepreneurs in Europe, according to a recent CBRE report. Overall, some 7.2 billion pounds ($8.8 billion) was invested in high-growth U.K. startups in 2016.